1//
2// Copyright (C) 2013 The Android Open Source Project
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8//      http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16
17#ifndef UPDATE_ENGINE_HARDWARE_CHROMEOS_H_
18#define UPDATE_ENGINE_HARDWARE_CHROMEOS_H_
19
20#include <string>
21#include <vector>
22
23#include <base/macros.h>
24#include <base/time/time.h>
25#include <debugd/dbus-proxies.h>
26
27#include "update_engine/common/hardware_interface.h"
28
29namespace chromeos_update_engine {
30
31// Implements the real interface with Chrome OS verified boot and recovery
32// process.
33class HardwareChromeOS final : public HardwareInterface {
34 public:
35  HardwareChromeOS() = default;
36  ~HardwareChromeOS() override = default;
37
38  void Init();
39
40  // HardwareInterface methods.
41  bool IsOfficialBuild() const override;
42  bool IsNormalBootMode() const override;
43  bool AreDevFeaturesEnabled() const override;
44  bool IsOOBEEnabled() const override;
45  bool IsOOBEComplete(base::Time* out_time_of_oobe) const override;
46  std::string GetHardwareClass() const override;
47  std::string GetFirmwareVersion() const override;
48  std::string GetECVersion() const override;
49  int GetPowerwashCount() const override;
50  bool SchedulePowerwash() override;
51  bool CancelPowerwash() override;
52  bool GetNonVolatileDirectory(base::FilePath* path) const override;
53  bool GetPowerwashSafeDirectory(base::FilePath* path) const override;
54  int64_t GetBuildTimestamp() const override;
55  bool GetFirstActiveOmahaPingSent() const override;
56  void SetFirstActiveOmahaPingSent() override;
57
58 private:
59  friend class HardwareChromeOSTest;
60
61  // Load the update manager config flags (is_oobe_enabled flag) from the
62  // appropriate location based on whether we are in a normal mode boot (as
63  // passed in |normal_mode|) prefixing the paths with |root_prefix|.
64  void LoadConfig(const std::string& root_prefix, bool normal_mode);
65
66  bool is_oobe_enabled_;
67
68  std::unique_ptr<org::chromium::debugdProxyInterface> debugd_proxy_;
69
70  DISALLOW_COPY_AND_ASSIGN(HardwareChromeOS);
71};
72
73}  // namespace chromeos_update_engine
74
75#endif  // UPDATE_ENGINE_HARDWARE_CHROMEOS_H_
76